<!DOCTYPE html><html class="nprogress-busy"><head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>TDesign</title>
  <!--[if lte IE 9]>
  <style>
    #app {
      display: none;
    }
  </style>
  <![endif]-->
  <script type="module" crossorigin="" src="/assets/site.ead6ab92.js"></script>
  <link rel="modulepreload" href="/assets/vendor.a637d569.js">
  <link rel="stylesheet" href="/assets/site.8711b014.css">
<link rel="modulepreload" as="script" crossorigin="" href="/miniprogram/assets/README.75ea9e7e.js"><link rel="modulepreload" as="script" crossorigin="" href="/miniprogram/assets/component.89597804.js"><link rel="stylesheet" href="/miniprogram/assets/component.8926ef82.css"><link rel="modulepreload" as="script" crossorigin="" href="/miniprogram/assets/vendor.a637d569.js"><script async="" id="horizon-tracker" type="text/javascript" src="https://horizon-assets.qq.com/analytics.js" data-account="tdesign"></script></head>

<body>
  <!--[if lte IE 9]>
    <h1 style="position: absolute; width: 100%; text-align:center; top: 45%">请使用 IE 10 以及更新版本的浏览器访问，建议使用 <a href="https://www.google.cn/chrome/">Chrome</a></h1>
  <![endif]-->
  <td-horizon data-account="tdesign"></td-horizon>
  <td-aegis aegis-id="rDISNMyXgKnpdSRvul"></td-aegis>
  <div id="app" data-v-app=""><td-doc-layout direction="row"><td-header slot="header" platform="web" framework="miniprogram"><td-doc-search slot="search">
        <style>.TDesign-doc-search {
  position: relative;
  width: 200px;
  height: 32px;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
}
.TDesign-doc-search__icon {
  position: absolute;
  right: 8px;
  top: 50%;
  width: 20px;
  height: 20px;
  margin-top: -10px;
  color: var(--text-secondary);
}
.TDesign-doc-search__inner {
  width: 100%;
  height: 100%;
  padding: 4px 36px 4px 8px;
  box-sizing: border-box;
  color: var(--text-secondary);
  border-radius: var(--border-radius);
  line-height: 22px;
  font-size: 14px;
  border: 1px solid var(--component-border);
  transition: all 0.2s linear;
  outline: none;
  background: transparent;
}
.TDesign-doc-search__inner::placeholder {
  line-height: 22px;
}
.TDesign-doc-search__inner:hover {
  border-color: var(--brand-main);
}
.TDesign-doc-search__inner:focus {
  border-color: var(--brand-main);
  box-shadow: 0 0 0 2px var(--brand-main-focus);
}
</style>
        <style>/* https://cdn.jsdelivr.net/npm/docsearch.js@2.6.3/dist/cdn/docsearch.min.css */
/* Main dropdown wrapper */
.algolia-autocomplete {
  width: 100%;
  height: 100%;
}
.algolia-autocomplete .ds-dropdown-menu {
  width: 480px;
  top: -6px;
  border-radius: 6px;
  margin: 8px 0 0;
  padding: 0;
  text-align: left;
  height: auto;
  position: relative;
  border: 0;
  z-index: 999;
  max-width: 600px;
  min-width: 500px;
  box-shadow: var(--popup-box-shadow);
  backdrop-filter: blur(10px);
  background-color: var(--bg-color-container-transparent);
}
.algolia-autocomplete .ds-dropdown-menu .ds-suggestions {
  position: relative;
  z-index: 1000;
  border-bottom: 1px solid var(--component-stroke);
  padding: 8px;
}
.algolia-autocomplete .ds-dropdown-menu [class^="ds-dataset-"] {
  position: relative;
  border-radius: 6px;
  overflow: auto;
  border: 1px solid var(--component-border);
}
.algolia-autocomplete .ds-dropdown-menu * {
  box-sizing: border-box;
}
.algolia-autocomplete .algolia-docsearch-suggestion {
  display: block;
  position: relative;
  color: var(--text-primary);
  overflow: hidden;
}
/* Main category (eg. Getting Started) */
.algolia-autocomplete .algolia-docsearch-suggestion--category-header {
  display: none;
}
/* Category (eg. Downloads) */
.algolia-autocomplete .algolia-docsearch-suggestion--subcategory-column {
  float: left;
  width: 30%;
  text-align: right;
  position: relative;
  padding: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  word-wrap: break-word;
}
.algolia-autocomplete .algolia-docsearch-suggestion--content {
  display: block;
  float: right;
  width: 70%;
  position: relative;
  padding: 8px 16px;
  cursor: pointer;
  border-radius: 0 3px 3px 0;
}
.algolia-autocomplete .algolia-docsearch-suggestion--content .algolia-docsearch-suggestion--subcategory-inline {
  display: none;
}
.algolia-autocomplete .algolia-docsearch-suggestion--content:before {
  content: "";
  position: absolute;
  display: block;
  top: 0;
  height: 100%;
  width: 1px;
  background: var(--component-border);
  left: -1px;
}
.algolia-autocomplete .ds-dropdown-menu .ds-suggestion.ds-cursor .algolia-docsearch-suggestion.suggestion-layout-simple,
.algolia-autocomplete .ds-dropdown-menu .ds-suggestion.ds-cursor .algolia-docsearch-suggestion:not(.suggestion-layout-simple) .algolia-docsearch-suggestion--content {
  background: var(--bg-color-container-hover);
  transition: all 0.2s linear;
}
/* Title (eg. Bootstrap CDN) */
.algolia-autocomplete .algolia-docsearch-suggestion--title {
  font-weight: bold;
  color: var(--text-primary);
  margin-bottom: 0;
  font-size: 16px;
  line-height: 24px;
}
.algolia-autocomplete .algolia-docsearch-suggestion--title + .algolia-docsearch-suggestion--text {
  margin-top: 4px;
}
/* Description description (eg. Bootstrap currently works...) */
.algolia-autocomplete .algolia-docsearch-suggestion--text {
  font-size: 14px;
  line-height: 22px;
  color: var(--text-secondary);
}
/* Highlighted text */
.algolia-autocomplete .algolia-docsearch-suggestion--highlight {
  padding: 1px 4px;
  border-radius: 3px;
  color: var(--brand-main);
  background-color: var(--brand-main-light);
  text-decoration: underline;
  text-decoration-color: var(--brand-main);
}
.algolia-autocomplete .algolia-docsearch-suggestion--no-results {
  width: 100%;
  padding: 8px 0;
  text-align: center;
  font-size: 14px;
}
.algolia-autocomplete .algolia-docsearch-footer {
  width: 134px;
  height: 26px;
  z-index: 2000;
  margin: 4px 8px;
  float: right;
  font-size: 0;
  line-height: 0;
}
.algolia-autocomplete .algolia-docsearch-footer--logo {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg width='168' height='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cpath d='M78.988.938h16.594a2.968 2.968 0 0 1 2.966 2.966V20.5a2.967 2.967 0 0 1-2.966 2.964H78.988a2.967 2.967 0 0 1-2.966-2.964V3.897A2.961 2.961 0 0 1 78.988.938zm41.937 17.866c-4.386.02-4.386-3.54-4.386-4.106l-.007-13.336 2.675-.424v13.254c0 .322 0 2.358 1.718 2.364v2.248zm-10.846-2.18c.821 0 1.43-.047 1.855-.129v-2.719a6.334 6.334 0 0 0-1.574-.199 5.7 5.7 0 0 0-.897.069 2.699 2.699 0 0 0-.814.24c-.24.116-.439.28-.582.491-.15.212-.219.335-.219.656 0 .628.219.991.616 1.23s.938.362 1.615.362zm-.233-9.7c.883 0 1.629.109 2.231.328.602.218 1.088.525 1.444.915.363.396.609.922.76 1.483.157.56.232 1.175.232 1.85v6.874a32.5 32.5 0 0 1-1.868.314c-.834.123-1.772.185-2.813.185-.69 0-1.327-.069-1.895-.198a4.001 4.001 0 0 1-1.471-.636 3.085 3.085 0 0 1-.951-1.134c-.226-.465-.343-1.12-.343-1.803 0-.656.13-1.073.384-1.525a3.24 3.24 0 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0 0 1-.41-2.33c0-.902.123-1.77.397-2.508a5.554 5.554 0 0 1 1.15-1.892 5.133 5.133 0 0 1 1.75-1.216c.679-.287 1.425-.423 2.232-.423.808 0 1.553.142 2.237.423a4.88 4.88 0 0 1 1.753 1.216 5.644 5.644 0 0 1 1.135 1.892c.287.738.431 1.606.431 2.508zm-20.138 0c0 1.12.246 2.363.738 2.882.493.52 1.13.78 1.91.78.424 0 .828-.062 1.204-.178.377-.116.677-.253.917-.417V9.33a10.476 10.476 0 0 0-1.766-.226c-.971-.028-1.71.37-2.23 1.004-.513.636-.773 1.75-.773 2.788zm7.438 5.274c0 1.824-.466 3.156-1.404 4.004-.936.846-2.367 1.27-4.296 1.27-.705 0-2.17-.137-3.34-.396l.431-2.118c.98.205 2.272.26 2.95.26 1.074 0 1.84-.219 2.299-.656.459-.437.684-1.086.684-1.948v-.437a8.07 8.07 0 0 1-1.047.397c-.43.13-.93.198-1.492.198-.739 0-1.41-.116-2.018-.349a4.206 4.206 0 0 1-1.567-1.025c-.431-.45-.774-1.017-1.013-1.694-.24-.677-.363-1.885-.363-2.773 0-.834.13-1.88.384-2.577.26-.696.629-1.298 1.129-1.796.493-.498 1.095-.881 1.8-1.162a6.605 6.605 0 0 1 2.428-.457c.87 0 1.67.109 2.45.24.78.129 1.444.265 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2.109-.925 2.912-.617.803-1.463 1.205-2.537 1.205-1.075 0-1.894-.447-2.457-1.34V17h-1.58V5.72h1.58zm9.908 11.104l-3.223-7.913h1.739l1.005 2.632 1.26 3.415c.096-.32.48-1.458 1.15-3.415l.909-2.632h1.66l-2.92 7.866c-.777 2.074-1.963 3.11-3.559 3.11a2.92 2.92 0 0 1-.734-.079v-1.34c.17.042.351.064.543.064 1.032 0 1.755-.57 2.17-1.708z' fill='%235D6494'/%3E%3Cpath d='M89.632 5.967v-.772a.978.978 0 0 0-.978-.977h-2.28a.978.978 0 0 0-.978.977v.793c0 .088.082.15.171.13a7.127 7.127 0 0 1 1.984-.28c.65 0 1.295.088 1.917.259.082.02.164-.04.164-.13m-6.248 1.01l-.39-.389a.977.977 0 0 0-1.382 0l-.465.465a.973.973 0 0 0 0 1.38l.383.383c.062.061.15.047.205-.014.226-.307.472-.601.746-.874.281-.28.568-.526.883-.751.068-.042.075-.137.02-.2m4.16 2.453v3.341c0 .096.104.165.192.117l2.97-1.537c.068-.034.089-.117.055-.184a3.695 3.695 0 0 0-3.08-1.866c-.068 0-.136.054-.136.13m0 8.048a4.489 4.489 0 0 1-4.49-4.482 4.488 4.488 0 0 1 4.49-4.482 4.488 4.488 0 0 1 4.489 4.482 4.484 4.484 0 0 1-4.49 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  background-repeat: no-repeat;
  background-position: 50%;
  background-size: 100%;
  overflow: hidden;
  text-indent: -9000px;
  width: 100%;
  height: 100%;
  display: block;
}
</style>
        <div class="TDesign-doc-search">
          <span class="algolia-autocomplete" style="position: relative; display: inline-block; direction: ltr;"><input id="TDSearch" class="TDesign-doc-search__inner ds-input" placeholder="搜索" type="text" autocomplete="off" spellcheck="false" role="combobox" aria-autocomplete="list" aria-expanded="false" aria-label="search input" aria-owns="algolia-autocomplete-listbox-0" dir="auto" style="position: relative; vertical-align: top;"><pre aria-hidden="true" style="position: absolute; visibility: hidden; white-space: pre; font-family: Arial; font-size: 14px; font-style: normal; font-variant: normal; font-weight: 400; word-spacing: 0px; letter-spacing: normal; text-indent: 0px; text-rendering: auto; text-transform: none;"></pre><span class="ds-dropdown-menu" role="listbox" id="algolia-autocomplete-listbox-0" style="position: absolute; top: 100%; z-index: 100; display: none; left: 0px; right: auto;"><div class="ds-dataset-1"></div></span></span>
          <span class="TDesign-doc-search__icon"><svg width="20" height="20" viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg">
  <path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M8.125 2.5C5.0184 2.5 2.5 5.0184 2.5 8.125C2.5 11.2316 5.0184 13.75 8.125 13.75C9.22568 13.75 10.2525 13.4339 11.1197 12.8874L15.8839 17.6517L16.7678 16.7678L12.1025 12.1025C13.1204 11.0846 13.75 9.6783 13.75 8.125C13.75 5.0184 11.2316 2.5 8.125 2.5ZM8.125 3.75C10.5412 3.75 12.5 5.70875 12.5 8.125C12.5 10.5412 10.5412 12.5 8.125 12.5C5.70875 12.5 3.75 10.5412 3.75 8.125C3.75 5.70875 5.70875 3.75 8.125 3.75Z"></path>
</svg>
</span>
        </div>
      </td-doc-search></td-header><td-doc-aside title="WeChat MiniProgram"></td-doc-aside><!----></td-doc-layout></div>
  
  <script>
    !function(a){var b=a.createElement("script");b.onload=function(){TouchEmulator();},b.src="https://tdesign.gtimg.com/js/touch-emulator.js",a.body.appendChild(b)}(document);
  </script><script src="https://tdesign.gtimg.com/js/touch-emulator.js"></script>


<div id="nprogress" style="transition: none 0s ease 0s; opacity: 1;"><div class="bar" role="bar" style="transform: translate3d(0%, 0px, 0px); transition: all 200ms ease 0s;"><div class="peg"></div></div><div class="spinner" role="spinner"><div class="spinner-icon"></div></div></div><script async="" id="__td_aegis__" type="text/javascript" src="https://cdn-go.cn/aegis/aegis-sdk/latest/aegis.min.js"></script></body></html>